Bump mocha from 7.2.0 to 8.0.1

Bumps [mocha](https://github.com/mochajs/mocha) from 7.2.0 to 8.0.1.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v7.2.0...v8.0.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -87,7 +87,7 @@
     "karma-chrome-launcher": "^3.0.0",
     "karma-mocha": "^2.0.0",
     "karma-sauce-launcher": "^4.1.3",
-    "mocha": "^7.0.1",
+    "mocha": "^8.0.1",
     "nyc": "^15.0.0",
     "pre-commit": "^1.1.1",
     "require-globify": "^1.3.0",